The difference between radio and audiobooks is that radio: A. doesn't have characters.
B. doesn't use actors.
C. only uses dialogue.
D. only uses a written text.

Generally spontaneous human combustion is something that still bewilders some, human combustion happens very rarely and doesn't affect the surrounding areas, so unless you want to set your self on fire, human combustion will remain spontaneous and very rare.

1.    d. all of the above2.    c. increase the iso setting3.    true4.    true5.    false

Rock and roll is super loud so the answer would be ff